Anatomy of Breathing

Question 1

What constitutes of the upper respiratory tract? (4)

Answer 1

1. R&L nasal cavity
2. Oral cavity
3. Naso,oro,laryngo pharynx
4. Larynx

Question 2

Contents of lower respiratory tract? (6)

Answer 2

1. Trachea
2. L&R Main bronchi
3. Lobar bronchi
4. Segmental bronchi
5. Bronchioles
6. Alveoli

Question 3

At the level of the _ Vertebra, the larynx becomes the _ and the pharynx becomes the _

Answer 3

C6, Trachea, Oesphagus

Question 4

Which anatomical landmark is used to palpate the trachea?

Answer 4

Jugular notch of manubrium

Question 5

What covers the surface of the lung?

Answer 5

Visceral pleura

Question 6

What covers the chest wall?

Answer 6

Parietal pleura

Question 7

What are the divisions of the lung known as?

Answer 7

Lobes

Question 8

How many lobes are found on the L&R lung?

Answer 8

R- 3

L 2

Question 9

What are further divisions of the lungs called (beyond lobes) ? How many segments are found in each lung?

Answer 9

Segments. 10 in each lung

Question 10

How many pairs of ribs are found in the body?

Answer 10

12 pairs

Question 11

How are these ribs divided anatomically ?

Answer 11

True: 1-7
False: 8-10
Floating: 11-12

Question 12

Rib articulates with the sternum via its _ _

Answer 12

Costal cartilage

Question 13

_ is the point of attachment between a rib and its costal cartilage

Answer 13

costochondral joint

Question 14

_ is the point of attachment between the costal cartilage and the sternum

Answer 14

Sternocostal joint

Question 15

3 layers of intercostal muscle?

Answer 15

• External
• Internal
• Innermost

Question 16

What is the muscular part of the diaphragm is supplied by _ nerve

Answer 16

Phrenic (C3,4, 5 anterior Rami)

Question 17

Where is the phrenic nerve found?

Answer 17

Neck, anterior surface of scalenus muscle

Descends over lateral aspect of heart